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Overview
| Comment: | Have the debug version of sqliteRealloc() return partially uninitialised memory in the same way as the non-debug version can. (CVS 1783) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
e78b0ff30fb630bc9835a7545525eea6 |
| User & Date: | danielk1977 2004-06-30 12:49:46 |
Context
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2004-06-30
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| 13:28 | Fix a typo in capi3.tcl. (CVS 1784) (check-in: 982389b2 user: danielk1977 tags: trunk) | |
| 12:49 | Have the debug version of sqliteRealloc() return partially uninitialised memory in the same way as the non-debug version can. (CVS 1783) (check-in: e78b0ff3 user: danielk1977 tags: trunk) | |
| 12:42 | Fix a memory allocation problem in os_test.c (CVS 1782) (check-in: ed511c2e user: danielk1977 tags: trunk) | |
Changes
Changes to src/util.c.
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** ************************************************************************* ** Utility functions used throughout sqlite. ** ** This file contains functions for allocating memory, comparing ** strings, and stuff like that. ** ** $Id: util.c,v 1.109 2004/06/30 04:02:12 drh Exp $ */ #include "sqliteInt.h" #include <stdarg.h> #include <ctype.h> #if SQLITE_DEBUG>2 && defined(__GLIBC__) #include <execinfo.h> ................................................................................ } for(i=0; i<N_GUARD; i++) pi[i] = 0xdead1122; pi[N_GUARD] = n; for(i=0; i<N_GUARD; i++) pi[k+N_GUARD+1+i] = 0xdead3344; p = &pi[N_GUARD+1]; memcpy(p, oldP, n>oldN ? oldN : n); if( n>oldN ){ memset(&((char*)p)[oldN], 0, n-oldN); } memset(oldPi, 0xab, (oldK+N_GUARD+2)*sizeof(int)); free(oldPi); #if SQLITE_DEBUG>1 print_stack_trace(); fprintf(stderr,"%06d realloc %d to %d bytes at 0x%x to 0x%x at %s:%d\n", ++memcnt, oldN, n, (int)oldP, (int)p, zFile, line); |
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** ************************************************************************* ** Utility functions used throughout sqlite. ** ** This file contains functions for allocating memory, comparing ** strings, and stuff like that. ** ** $Id: util.c,v 1.110 2004/06/30 12:49:46 danielk1977 Exp $ */ #include "sqliteInt.h" #include <stdarg.h> #include <ctype.h> #if SQLITE_DEBUG>2 && defined(__GLIBC__) #include <execinfo.h> ................................................................................ } for(i=0; i<N_GUARD; i++) pi[i] = 0xdead1122; pi[N_GUARD] = n; for(i=0; i<N_GUARD; i++) pi[k+N_GUARD+1+i] = 0xdead3344; p = &pi[N_GUARD+1]; memcpy(p, oldP, n>oldN ? oldN : n); if( n>oldN ){ memset(&((char*)p)[oldN], 0x55, n-oldN); } memset(oldPi, 0xab, (oldK+N_GUARD+2)*sizeof(int)); free(oldPi); #if SQLITE_DEBUG>1 print_stack_trace(); fprintf(stderr,"%06d realloc %d to %d bytes at 0x%x to 0x%x at %s:%d\n", ++memcnt, oldN, n, (int)oldP, (int)p, zFile, line); |